Asher, Herbert B. <br/><br/>
Causal Modeling 

 - London  Sage Publishers  1983 
 - 96p. 
<br/><br/><label>ISBN: </label> RS 300.00 
<br/><br/><label>Source: </label> RS 300.00 
<br/><br/><label>Dewey Class. No.: </label>300.15195 ASH